The casing reshape technology independently developed by our company is a new and efficient casing shaping technology. Its tools consist of pressurization system, anchoring device, hydraulic cylinder, expanding tube, and rolling balls. When it works, the surface pump provides hydraulic power, and after pressurization, a fulcrum is established inside casing; at the same time, the reshaping balls crush the deformed section of the casing repeatedly. In this way, the deformed section of casing is restored.